Protection Relays
Protection Relays Supplier
Another benefit of choosing Narayani Electric Co. as your Protection Relay Supplier is that the company is committed to providing reliable and cost-effective solutions. The company takes pride in providing Energy Solutions that are tailored to meet the specific needs of each customer. This ensures that customers get the most out of their Energy Management Solutions. The company is also committed to providing Energy Solutions that are both affordable and reliable.
3 Phase Over Current + Earth Fault Relay
C.T. Rating 1A or 5A, Field Selectable
- IDMT & Definite time characteristics
- Last 30 trip data recording with date and time
- Password Protection
| Model | Aux. Supply (V) | Output Contacts | Device Code | Cat. No. | M.R.P. (`) Per Unit |
| MC31AnX | 24 – 240V AC/ DC | 2 NO + 2 NC 4 NO | 51, 51N | MC31ANX2200 MC31ANX4000 | 21000 |
Single Pole Over Current or Earth Fault Relay
C.T. Rating 1A or 5A, Not Field Selectable
IDMT and Definite time characteristics
| Model | Aux. Supply (V) | C.T. Secondary (A) | Device Code | Cat. No. | M.R.P. (`) Per Unit |
| 20 – 110V AC/DC | 1A | MC12AA10X00 | |||
| 5A | 50, 51 | MC12AA50X00 | |||
| MC12 | or 50N, 51N | 14800 | |||
| 88 – 264V AC/DC | 1A | MC12AB10X00 | |||
| 5A | MC12AB50X00 |
3 Phase Over Current + Earth Fault Relay with High Set
C.T. Rating 1A or 5A, Field Selectable
| Model | Aux. Supply (V) | Output Contacts | Device Code | Cat. No. | M.R.P. (`) Per Unit |
| MC61AnX | 24 – 240V AC/ DC | 2 NO + 2 NC 4 NO | 51, 51N, 50, 50N | MC61ANX2200 MC61ANX4000 | 23000 |
Reverse Power Relay
C.T. Rating 1A or 5A, Not Field Selectable
System Voltage is site selectable – 110V / 415V AC
| Model | Aux Supply (V) | C.T. Secondary (A) | Device Code | Cat. No. | M.R.P. (`) Per Unit |
| MRP11 | 20 – 110V AC/DC | 1A | 32 | MRP11A10X00 | 24500 |
| 5A | MRP11A50X00 | ||||
| 88 – 264V AC/DC | 1A | MRP11B10X00 | |||
| 5A | MRP11B50X00 |
3 Phase Over Current + Earth Fault Relay with High Set & RS - 485 Port
C.T. Rating 1A or 5A, Field Selectable
- IDMT & Definite time characteristics
- Last 30 trip data recording with date and time
- Password Protection
| Model | Aux. Supply (V) | Output Contacts | Device Code | Cat. No. | M.R.P. (`) Per Unit |
| MC61CnX | 24 – 240V AC/ DC | 4 NO | 51, 51N, 50, 50N | MC61CNX4000 | 25500 |
Trip Circuit Supervision Relay
- Static
- Monitors Trip Coil in Breaker ON & OFF condition
- Site selectable Trip Coil Voltage
| Model | Aux. Supply (V) | Cat. No. | M.R.P. (`) Per Unit |
| TCS01nX | 20 – 110 V AC/ DC | TCS01NXA000 | 8500 |
Single Phase Under Voltage or Over Voltage Relay
MV12
System Voltage is site selectable – 110 / 240 / 415V AC
Model | Aux. Supply (V) | Device code |
Cat. No. | M.R.P. (`) Per Unit |
MV12 | 20 – 110V AC/DC |
27 or 59 | MV12AA00X00 |
14800 |
Lockout Relay – LocR
ANSI Code – 86
Features:
- Lockout Relays [Master Trip Relay] – LocR
- Designed to operate the circuit breaker trip coils at high speed
- Available with Hand reset contact (HRC) and hand reset Flag (HRF)
| Description | Output contacts | Reset Contacts | Reset Flag | Coil Voltage | Cat. No. |
| Single element Lockout relay | 3NO + 2NC | Hand | Hand | 24VDC | L1H32DC024X |
| 110VDC | L1H32DC110X | ||||
| 220VDC | L1H32DC220X | ||||
| 230VAC | L1H32AC230X |
Auxiliary Relay – AuxR
Features:
- AuxR relay provides additional contacts for interlocking, control and signal applications
- Available with hand reset or self-reset contacts and hand reset Flag
| Description | Output contacts | Reset Contacts | Reset Flag | Coil Voltage | Cat. No. |
| Single element Auxiliary relay | 4 N/O | Hand | Hand | 24VDC | A1H40DC024X |
| 110VDC | A1H40DC110X | ||||
| 220VDC | A1H40DC220X | ||||
| 230VAC | A1H40AC230X | ||||
| Single element Auxiliary relay | 2 N/O + 2 N/C | Auto | Hand | 24VDC | A1A22DC024X |
| 110VDC | A1A22DC110X | ||||
| 220VDC | A1A22DC220X | ||||
| 230VAC | A1A22AC230X |